Table 3.
Results from bivariate and multivariate analysis to assess the degree of screening compliance by baseline factors and intervention group (N=632)
| Subject Characteristic | Bivariate Analysis Hazard Ratio (95% C.I.) (p-value) | Multivariate Analysis† Hazard Ratio (95% C.I.) (p-value) | |
|---|---|---|---|
|
| |||
| Age (yrs) | |||
| 25–39 | 1.00 | - | |
| 40–49 | 0.96 (0.52, 1.76) | ||
| 50–64 | 1.14 (0.64, 2.05) | ||
| 65+ | 1.28 (0.70, 2.33) | ||
|
| |||
| Male gender | 0.86 (0.69, 1.08) | - | |
|
| |||
| Education | |||
| No college (vs. some college or more) | 1.14 (0.88, 1.48) | - | |
|
| |||
| No doctor | 0.54 (0.30, 0.96) (0.02) |
- | |
|
| |||
| No insurance | 0.55 (0.27, 1.14) | - | |
|
| |||
| Risk group – HNPCC (vs. HR) | 1.15 (0.91, 1.45) | - | |
|
| |||
| Ever had colonoscopy | 1.74 (1.27, 2.38) (0.0003) |
1.47 (1.06, 2.04) (0.02) |
|
|
| |||
| Adherent at baseline | 1.08 (0.87, 1.34) | - | |
|
| |||
| Plan on having colonoscopy in 1–2 years | 2.98 (2.37, 3.75) (<0.0001) |
2.90 (2.30, 3.65) (<0.0001) |
|
|
| |||
| Risk perception is higher than others without family history | 1.73 (1.27, 2.35) (0.0003) |
- | |
|
| |||
| Knowledge of risk appropriate recommendations | 1.33 (1.07, 1.65) (0.01) |
- | |
|
| |||
| Reported barriers to CRC screening Any barrier (yes vs. no) | 0.73 (0.58, 0.92) (0.007) |
- | |
|
| |||
| Intervention Arm – Intensive | 1.24 (1.01, 1.55) (0.04) |
1.32 (1.07, 1.64) (0.01) |
|
†
Adjusted for all variables with significance level of p < 0.05 in multivariate model